From patchwork Fri Jan 31 15:08:37 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 3562361 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 11392C02DC for ; Fri, 31 Jan 2014 15:16:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 779E22022D for ; Fri, 31 Jan 2014 15:16:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5EEAC2020F for ; Fri, 31 Jan 2014 15:16:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932685AbaAaPPv (ORCPT ); Fri, 31 Jan 2014 10:15:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:23897 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932617AbaAaPHe (ORCPT ); Fri, 31 Jan 2014 10:07:34 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s0VF7Uc8012698 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 31 Jan 2014 10:07:30 -0500 Received: from dhcp-26-207.brq.redhat.com (dhcp-27-68.brq.redhat.com [10.34.27.68]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s0VF6u2Y027223; Fri, 31 Jan 2014 10:07:28 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , "David S. Miller" , Amir Vadai , netdev@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 18/34] mlx4: Use pci_enable_msix_range() Date: Fri, 31 Jan 2014 16:08:37 +0100 Message-Id: <2f6674dabb90d4cbca3ef4039c3b893f2e5e9ec4.1391172839.git.agordeev@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As result of deprecation of MSI-X/MSI enablement functions pci_enable_msix() and pci_enable_msi_block() all drivers using these two interfaces need to be updated to use the new pci_enable_msi_range() and pci_enable_msix_range() interfaces. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/mellanox/mlx4/main.c | 19 ++++--------------- 1 files changed, 4 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d711158..a9d1249 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1976,7 +1976,6 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) int nreq = min_t(int, dev->caps.num_ports * min_t(int, netif_get_num_default_rss_queues() + 1, MAX_MSIX_P_PORT) + MSIX_LEGACY_SZ, MAX_MSIX); - int err; int i; if (msi_x) { @@ -1990,22 +1989,12 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) for (i = 0; i < nreq; ++i) entries[i].entry = i; - retry: - err = pci_enable_msix(dev->pdev, entries, nreq); - if (err) { - /* Try again if at least 2 vectors are available */ - if (err > 1) { - mlx4_info(dev, "Requested %d vectors, " - "but only %d MSI-X vectors available, " - "trying again\n", nreq, err); - nreq = err; - goto retry; - } + nreq = pci_enable_msix_range(dev->pdev, entries, 2, nreq); + + if (nreq < 0) { kfree(entries); goto no_msi; - } - - if (nreq < + } else if (nreq < MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) { /*Working in legacy mode , all EQ's shared*/ dev->caps.comp_pool = 0;